# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4 -*-
#
# Copyright (C) 2015-2017 Canonical Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
import os

import testscenarios
import yaml
from testtools.matchers import FileExists

import integration_tests


class NodeJSPluginTestCase(testscenarios.WithScenarios,
                           integration_tests.TestCase):

    scenarios = [
        ('npm', dict(package_manager='npm')),
        ('yarn', dict(package_manager='yarn')),
    ]

    def _set_node_package_manager(self, snapcraft_yaml_file):
        if not self.package_manager:
            return

        with open(snapcraft_yaml_file) as f:
            snapcraft_yaml = yaml.load(f)
        snapcraft_yaml['parts']['nodejs-part']['node-package-manager'] = \
            self.package_manager
        with open(snapcraft_yaml_file, 'w') as f:
            yaml.dump(snapcraft_yaml, f)

    def test_rebuilding_possible(self):
        self.copy_project_to_cwd('nodejs-hello')
        self._set_node_package_manager('snapcraft.yaml')

        self.run_snapcraft('build')
        self.run_snapcraft(['clean', '-s', 'build'])
        self.run_snapcraft('build')

    def test_build_with_run_commands(self):
        self.copy_project_to_cwd('nodejs-with-run-commands')
        self._set_node_package_manager('snapcraft.yaml')

        self.run_snapcraft('build')
        part_builddir = os.path.join(self.parts_dir, 'nodejs-part', 'build')
        self.assertThat(os.path.join(part_builddir, 'command-one-run'),
                        FileExists())
        self.assertThat(os.path.join(part_builddir, 'command-two-run'),
                        FileExists())

        # Ensure the bin entry makes it to bin in the part's install directory
        part_installdir = os.path.join(
            self.parts_dir, 'nodejs-part', 'install')
        print_binary_path = os.path.join(part_installdir, 'bin', 'node-print')
        self.assertThat(print_binary_path, FileExists())
